[INFO] fetching crate bare_err_tree_proc 1.0.0...
[INFO] testing bare_err_tree_proc-1.0.0 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate bare_err_tree_proc 1.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate bare_err_tree_proc 1.0.0
[INFO] finished tweaking crates.io crate bare_err_tree_proc 1.0.0
[INFO] tweaked toml for crates.io crate bare_err_tree_proc 1.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bare_err_tree_proc 1.0.0 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bare_err_tree_proc 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f20854662a4e655171f347f047eb89ffe15a4150cfd3c8b67e4472c1a3ec94e
[INFO] running `Command { std: "docker" "start" "-a" "7f20854662a4e655171f347f047eb89ffe15a4150cfd3c8b67e4472c1a3ec94e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f20854662a4e655171f347f047eb89ffe15a4150cfd3c8b67e4472c1a3ec94e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f20854662a4e655171f347f047eb89ffe15a4150cfd3c8b67e4472c1a3ec94e", kill_on_drop: false }`
[INFO] [stdout] 7f20854662a4e655171f347f047eb89ffe15a4150cfd3c8b67e4472c1a3ec94e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11b4b0268bb9345d80b1a865973b9c283abea57fd945abf1bd02ebc19cb3a120
[INFO] running `Command { std: "docker" "start" "-a" "11b4b0268bb9345d80b1a865973b9c283abea57fd945abf1bd02ebc19cb3a120", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling bare_err_tree_proc v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.84s
[INFO] running `Command { std: "docker" "inspect" "11b4b0268bb9345d80b1a865973b9c283abea57fd945abf1bd02ebc19cb3a120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11b4b0268bb9345d80b1a865973b9c283abea57fd945abf1bd02ebc19cb3a120", kill_on_drop: false }`
[INFO] [stdout] 11b4b0268bb9345d80b1a865973b9c283abea57fd945abf1bd02ebc19cb3a120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53c56eeb3c605b55ba9d783ed59c96b7006d4a939dfee161f7185916b2d40061
[INFO] running `Command { std: "docker" "start" "-a" "53c56eeb3c605b55ba9d783ed59c96b7006d4a939dfee161f7185916b2d40061", kill_on_drop: false }`
[INFO] [stderr]    Compiling bare_err_tree_proc v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "53c56eeb3c605b55ba9d783ed59c96b7006d4a939dfee161f7185916b2d40061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c56eeb3c605b55ba9d783ed59c96b7006d4a939dfee161f7185916b2d40061", kill_on_drop: false }`
[INFO] [stdout] 53c56eeb3c605b55ba9d783ed59c96b7006d4a939dfee161f7185916b2d40061
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fe7090cae11e087ac520dcd49e6cb7af2232e0bed3b997f0b6ad1711de4866cc
[INFO] running `Command { std: "docker" "start" "-a" "fe7090cae11e087ac520dcd49e6cb7af2232e0bed3b997f0b6ad1711de4866cc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bare_err_tree_proc-48fd1a9664b9a139)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bare_err_tree_proc
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - err_tree (line 49) ... FAILED
[INFO] [stdout] test src/lib.rs - err_tree (line 176) ... FAILED
[INFO] [stdout] test src/lib.rs - err_tree (line 106) ... FAILED
[INFO] [stdout] test src/lib.rs - err_tree (line 219) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - err_tree (line 49) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `bare_err_tree`
[INFO] [stdout]  --> src/lib.rs:53:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bare_err_tree::{err_tree, tree_unwrap};
[INFO] [stdout]   |     ^^^^^^^^^^^^^ use of unresolved module or unlinked crate `bare_err_tree`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `bare_err_tree`, use `cargo add bare_err_tree` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated item named `_tree` found for struct `Foo` in the current scope
[INFO] [stdout]   --> src/lib.rs:65:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Foo {
[INFO] [stdout]    | ---------- associated item `_tree` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |         Foo::_tree(num)
[INFO] [stdout]    |              ^^^^^ associated item not found in `Foo`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `Foo`, consider using `Foo::new` which returns `Foo`
[INFO] [stdout]   --> src/lib.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(num: i32) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - err_tree (line 176) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `bare_err_tree`
[INFO] [stdout]  --> src/lib.rs:180:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use bare_err_tree::{err_tree, tree_unwrap};
[INFO] [stdout]   |     ^^^^^^^^^^^^^ use of unresolved module or unlinked crate `bare_err_tree`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `bare_err_tree`, use `cargo add bare_err_tree` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `dyn_err` in this scope
[INFO] [stdout]   --> src/lib.rs:187:7
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[dyn_err]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `dyn_iter_err` in this scope
[INFO] [stdout]   --> src/lib.rs:189:7
[INFO] [stdout]    |
[INFO] [stdout] 14 |     #[dyn_iter_err]
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `FooWrap`
[INFO] [stdout]   --> src/lib.rs:213:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let wrapped = FooWrap::from(Foo::Val(8_i32));
[INFO] [stdout]    |                   ^^^^^^^ use of undeclared type `FooWrap`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - err_tree (line 106) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `bare_err_tree`
[INFO] [stdout]  --> src/lib.rs:110:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use bare_err_tree::{err_tree, tree_unwrap, AsErrTree, ErrTree};
[INFO] [stdout]   |     ^^^^^^^^^^^^^ use of unresolved module or unlinked crate `bare_err_tree`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `bare_err_tree`, use `cargo add bare_err_tree` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `dyn_err` in this scope
[INFO] [stdout]   --> src/lib.rs:115:7
[INFO] [stdout]    |
[INFO] [stdout] 10 |     #[dyn_err]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `dyn_iter_err` in this scope
[INFO] [stdout]   --> src/lib.rs:117:7
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[dyn_iter_err]
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated item named `_tree` found for struct `Foo` in the current scope
[INFO] [stdout]   --> src/lib.rs:125:14
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Foo {
[INFO] [stdout]    | ---------- associated item `_tree` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |         Foo::_tree(io_err, extra_io_errs)
[INFO] [stdout]    |              ^^^^^ associated item not found in `Foo`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `Foo`, consider using `Foo::new` which returns `Foo`
[INFO] [stdout]   --> src/lib.rs:124:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(io_err: std::io::Error, extra_io_errs: [std::io::Error; 5]) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_err_tree` found for struct `Foo` in the current scope
[INFO] [stdout]   --> src/lib.rs:154:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Foo {
[INFO] [stdout]    | ---------- method `as_err_tree` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     err.as_err_tree(&mut |tree| {
[INFO] [stdout]    |     ----^^^^^^^^^^^ method not found in `Foo`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - err_tree (line 219) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `bare_err_tree`
[INFO] [stdout]  --> src/lib.rs:221:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bare_err_tree::{err_tree, tree_unwrap};
[INFO] [stdout]   |     ^^^^^^^^^^^^^ use of unresolved module or unlinked crate `bare_err_tree`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `bare_err_tree`, use `cargo add bare_err_tree` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `dyn_err` in this scope
[INFO] [stdout]  --> src/lib.rs:226:7
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[dyn_err]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `dyn_iter_err` in this scope
[INFO] [stdout]   --> src/lib.rs:228:7
[INFO] [stdout]    |
[INFO] [stdout] 10 |     #[dyn_iter_err]
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated item named `_tree` found for struct `Foo` in the current scope
[INFO] [stdout]   --> src/lib.rs:235:14
[INFO] [stdout]    |
[INFO] [stdout] 7  | struct Foo {
[INFO] [stdout]    | ---------- associated item `_tree` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |         Foo::_tree(io_err, extra_io_errs)
[INFO] [stdout]    |              ^^^^^ associated item not found in `Foo`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `Foo`, consider using `Foo::new` which returns `Foo`
[INFO] [stdout]   --> src/lib.rs:234:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(io_err: std::io::Error, extra_io_errs: [std::io::Error; 5]) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - err_tree (line 106)
[INFO] [stdout]     src/lib.rs - err_tree (line 176)
[INFO] [stdout]     src/lib.rs - err_tree (line 219)
[INFO] [stdout]     src/lib.rs - err_tree (line 49)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "fe7090cae11e087ac520dcd49e6cb7af2232e0bed3b997f0b6ad1711de4866cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe7090cae11e087ac520dcd49e6cb7af2232e0bed3b997f0b6ad1711de4866cc", kill_on_drop: false }`
[INFO] [stdout] fe7090cae11e087ac520dcd49e6cb7af2232e0bed3b997f0b6ad1711de4866cc
